package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行UPDATE语句
 */
public class JDBCDemo3 {
    public static void main(String[] args){
        try(
                Connection connection = DBUtil.getConnection();
        ){
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo " +
                    "SET password='888888' " +
                    "WHERE username='范传奇'";
            System.out.println(sql);
            int num = statement.executeUpdate(sql);
            if(num>0){
                System.out.println("修改成功");
            }else{
                System.out.println("修改失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}





